Hair brush



FIG. 1 is a top plan view of my new design for a hair brush.

FIG. 2 is bottom plan view of FIG. 1.

FIG. 3 is a front side view of FIG. 1.

FIG. 4 is a back side view of FIG. 1.

FIG. 5 is a right side view of FIG. 1, the left side being a mirror image; and,

FIG. 6 is a top perspective view of FIG. 1. 

The ornamental design for a hair brush, as shown and described. 